<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>document</title>
    <style>
      .img-box {
        width: 700px;
        height: 320px;
        margin: 50px auto 0;
        background: #000;
        position: relative;
      }
      .pic {
        width: 100%;
        height: 100%;
      }

      .img-box .tip {
        width: 700px;
        height: 53px;
        line-height: 53px;
        position: absolute;
        bottom: 0px;
        background-color: rgba(0, 0, 0, 0.8);
        z-index: 10;
      }

      .img-box .tip h3 {
        width: 82%;
        margin: 0;
        margin-right: 20px;
        padding-left: 20px;
        color: #98e404;
        font-size: 28px;
        float: left;
        font-weight: 500;
        font-family: 'Microsoft Yahei', Tahoma, Geneva;
      }

      .img-box .tip a {
        width: 30px;
        height: 29px;
        display: block;
        float: left;
        margin-top: 12px;
        margin-right: 3px;
      }

      .img-box ul {
        position: absolute;
        bottom: 0;
        right: 30px;
        list-style: none;
        z-index: 99;
      }
    </style>
  </head>

  <body>
    <div class="img-box">
      <img class="pic" src="./images/slider01.jpg" alt="第1张图的描述信息" />
      <div class="tip">
        <h3 class="text">对人类来说会不会太超前了？</h3>
      </div>
    </div>

    <script>
      // 数据
      const data = [
        {
          url: './images/slider01.jpg',
          title: '对人类来说会不会太超前了？',
          color: 'rgb(100, 67, 68)',
        },
        {
          url: './images/slider02.jpg',
          title: '开启剑与雪的黑暗传说！',
          color: 'rgb(43, 35, 26)',
        },
        {
          url: './images/slider03.jpg',
          title: '真正的jo厨出现了！',
          color: 'rgb(36, 31, 33)',
        },
        {
          url: './images/slider04.jpg',
          title: '李玉刚：让世界通过B站看到东方大国文化',
          color: 'rgb(139, 98, 66)',
        },
        {
          url: './images/slider05.jpg',
          title: '快来分享你的寒假日常吧~',
          color: 'rgb(67, 90, 92)',
        },
        {
          url: './images/slider06.jpg',
          title: '哔哩哔哩小年YEAH',
          color: 'rgb(166, 131, 143)',
        },
        {
          url: './images/slider07.jpg',
          title: '一站式解决你的电脑配置问题！！！',
          color: 'rgb(53, 29, 25)',
        },
        {
          url: './images/slider08.jpg',
          title: '谁不想和小猫咪贴贴呢！',
          color: 'rgb(99, 72, 114)',
        },
      ]
      
      const imgs = document.querySelector('.img-box img');
      const text = document.querySelector('.tip h3');
      const bgc = document.querySelector('.tip');
    
      // let  i = 1
      // const timer = setInterval(function(){
      //   i++
      //   text.innerHTML = data[i - 1].title
      //   imgs.src = `./images/slider0${i}.jpg`

      //   if(i ===8 ) {
      //     i = 1
      //   }
      // },1000)

      const timer = setInterval(function () {
        let random = Math.floor(Math.random()*data.length)
        imgs.src = data[random].url
        text.innerHTML = data[random].title
        bgc.style.backgroundColor = data[random].color
        // console.log(random);
      },1000)
    
    </script>
  </body>
</html>

